Add biblio.el

Apparently bibretrieve has dropped support for arχiv.  This new
package replaces this functionality

global.org

@@ -40,7 +40,8 @@
   #+BEGIN_SRC emacs-lisp
     (let ((default-directory "~/.emacs.d/"))
       (normal-top-level-add-subdirs-to-load-path)
-      (normal-top-level-add-to-load-path '("fringe-helper.el"
+      (normal-top-level-add-to-load-path '("biblio.el"
+                                           "fringe-helper.el"
                                            "multiple-cursors.el"
                                            "expand-region.el"
                                            "dash.el"
@@ -1345,6 +1346,7 @@
      (byte-recompile-directory "~/.emacs.d/bibretrieve" 0)
      (load "bibretrieve")
      (setq bibretrieve-backends '(("mrl" . 8) ("arxiv" . 5)))
+     (require 'biblio)
    #+END_SRC
 ** TODO KDE integration
 *** TODO cleanup and split